APA Style
Blank, L, T., Tarquin, A, J. (1989).
Engineering Economy (3rd edition).
United States of America:
McGraw-Hill Book Company.
MLA Style
Blank, Leland, T.., Tarquin, Anthony, J..
"Engineering Economy".
3rd edition
United States of America:
McGraw-Hill Book Company,
1989.
Textbook.